Rails Migration Primary Key

Connect To Remote Informix Database Database Connectionstrings. Finding it hard to remember database connection strings? Everybody does! Here is an easy-to-use reference of connection Foreign Data Wrapper for Informix Databases. a driver for accessing remote Informix table from within PostgreSQL databases. Example Setup = Informix database servers use different kinds of connection methods (Shared Memory, TCP, In other Informix database

Apr 18, 2014. class CreateProducts < ActiveRecord::Migration def change create_table : products do |t|. and then we tell Rails to turn sku to be primary key.

mysql – Rails Migration Create Table Primary Key – Stack Overflow – Jan 22, 2011. Anyway you're getting the most out of Rails while you're sticking to its conventions. Changing primary key name and type might not be a very.

Changing the Primary Key Type in Ruby on Rails Models – Oliver. – Sep 30, 2013. Ruby on Rails (RoR) likes to emphasise the concept of convention over. The first step to changing the primary key involves the migration file.

You have to drop the foreign key. Foreign keys in MySQL automatically create an index on the table (There was a SO Question on the topic). ALTER TABLE mytable DROP.

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